2555689928 has 32 divisors (see below), whose sum is σ = 5233788000. Its totient is φ = 1160290560.

The previous prime is 2555689921. The next prime is 2555689957. The reversal of 2555689928 is 8299865552.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2555689921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58688 + ... + 92496.

It is an arithmetic number, because the mean of its divisors is an integer number (163555875).

Almost surely, 2^2555689928 is an apocalyptic number.

It is an amenable number.

2555689928 is an abundant number, since it is smaller than the sum of its proper divisors (2678098072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2555689928 is a wasteful number, since it uses less digits than its factorization.

2555689928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34685 (or 34681 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 59.

The square root of 2555689928 is about 50553.8319813642. The cubic root of 2555689928 is about 1367.2126053115.

The spelling of 2555689928 in words is "two billion, five hundred fifty-five million, six hundred eighty-nine thousand, nine hundred twenty-eight".